By ColinMarsden | AA Member | 1 Post | 15 December 2021 at 12:44pm 2006 Mazda Premacy . What fuel octane to use? By Ian | AA Expert | 545 Posts | 15 December 2021 at 4:14pm 91octane is the minimum octane required. Go Jump to Accessories and extras Accessories and extras Buying or selling Buying or selling Servicing, repair, faults and reliability Servicing, repair, faults and reliability Fuel and economy Fuel and economy Motoring Rules & Regulations Motoring Rules & Regulations